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Buren 691
Ligne: 8.75'''
Jewels: 15
Power Reserve: 34 hrs
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1925
Diameter: 19.7 mm
Height: 3.4 mm
Hands: 1.20 x 0.60 / 0.11 mm
The Buren 691 is a mechanical watch movement with manual winding and sub-second functionality. It was used around 1925, but there is limited information available regarding its specific features and differences compared to other movements in the Venus series.
The Buren 691 features the following functions:
- Manual Winding
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.080 x 260 x 7.5 mm | GR40771 | Manual | Buy mainspring |
| 1.50 x 0.080 x 215 x 7.0 mm | Manual | Buy mainspring | |
| 1.40 x 0.085 x 220 x 7.0 mm | GR3613 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| MAINSPRING 1.50-.08-260 7,5 | MS-613H | GR 4077 | Buy part |
| PALLET ARBOR | 72S/49P | 714/KF 23-20 | Buy part |
| ROLLER 180X80X36 | 82S/41R | Buy part | |
| ROLLER, INCABLOC 180X80X36 | 82S/148R | 730/AUR 18 | Buy part |
| SCREW, SET LEVER | 5443/1112 | Buy part | |
| STAFF | 100/693 | Buy part | |
| STEM | 200/118F | Buy part | |
| STEM, SPLIT | 360/120 | /VEN 60 TO 64 | Buy part |
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